The effect of cerium addition to catalysis in the diameter distribution of single-wall carbon nanotubes - Lima Júnior, José A.; Lemos, V.; Freire, P. T. C.; Souza Filho, A. G.; Mendes Filho, J.; Matsubara, E. Y.; Montoro, L. A.; Rosolen, José Maurício (International Conference on the Science and Application of Nanotubes, 2007)